<template>
      <header class="header">
            <!-- 头部的第一行 -->
            <div class="top">
                <div class="container">
                    <div class="loginList">
                        <p>尚品汇欢迎您！</p>
                        <p v-if="userInfo.name">
                            <span>{{userInfo.name}}</span> |
                            <a href="javascript:;" @click="logoutFn">退出登录</a>
                        </p>
                        <p v-else>
                            <span>请</span>
                            <router-link to="/login">登录</router-link>
                            <router-link to="/register" class="register">免费注册</router-link>
                        </p>
                    </div>
                    <div class="typeList">
                        <router-link to="/center">我的订单</router-link>
                        <router-link to="/shopCart">我的购物车</router-link>
                        <a href="###">我的尚品汇</a>
                        <a href="###">尚品汇会员</a>
                        <a href="###">企业采购</a>
                        <a href="###">关注尚品汇</a>
                        <a href="###">合作招商</a>
                        <a href="###">商家后台</a>
                    </div>
                </div>
            </div>
            <!--头部第二行 搜索区域-->
            <div class="bottom">
                <h1 class="logoArea">
                    <router-link class="logo" title="尚品汇" to="/home" >
                        <img src="./images/logo.png" alt="">
                    </router-link>
                </h1>
                <div class="searchArea">
                    <form  class="searchForm">
                        <input type="text" id="autocomplete" class="input-error input-xxlarge"  v-model="keyword" @keydown.13.prevent=""/>
                        <button class="sui-btn btn-xlarge btn-danger" 
                        type="button" @click="search">搜索</button>
                    </form>
                </div>
            </div>
    </header>
</template>

<script>
    import {mapState,mapActions} from 'vuex'
    export default {
        name: 'Header',
        data(){
            return {
                keyword:''
            }
        },
        computed: {
            ...mapState({userInfo:state=>state.user.userInfo})
        },
        methods:{
            ...mapActions(['logout']),
            search(){
                let routerConfig = {name: 'search'}
                //query不为空
                if(Object.keys(this.$route.query).length !== 0 ){
                    routerConfig.query = this.$route.query
                }
                if(this.keyword){
                    routerConfig.params = {keyword: this.keyword}
                }
                //search组件跳search组件,不需要回退,用replace
                if(this.$route.path.startsWith('/search')){
                    this.$router.replace(routerConfig)
                }else{
                    this.$router.push(routerConfig)
                }
            },
            //退出登录
            async logoutFn(){
                try {
                    await this.$confirm('确定要退出吗')
                    const code = await this.logout()
                    if(code === 200)
                        this.$router.replace('/home')
                    } catch (error) {
                        console.log(error)
                }
            }
        },
        mounted(){
            this.$bus.$on('removeKeyword',(newval)=>{
                this.keyword = newval
            })
        }

    }
</script>
<style scoped lang="less">
.header {
        &>.top {
            background-color: #eaeaea;
            height: 30px;
            line-height: 30px;

            .container {
                width: 1200px;
                margin: 0 auto;
                overflow: hidden;

                .loginList {
                    float: left;

                    p {
                        float: left;
                        margin-right: 10px;

                        .register {
                            border-left: 1px solid #b3aeae;
                            padding: 0 5px;
                            margin-left: 5px;
                        }
                    }
                }

                .typeList {
                    float: right;

                    a {
                        padding: 0 10px;

                        &+a {
                            border-left: 1px solid #b3aeae;
                        }
                    }

                }

            }
        }

        &>.bottom {
            width: 1200px;
            margin: 0 auto;
            overflow: hidden;

            .logoArea {
                float: left;

                .logo {
                    img {
                        width: 175px;
                        margin: 25px 45px;
                    }
                }
            }

            .searchArea {
                float: right;
                margin-top: 35px;

                .searchForm {
                    overflow: hidden;

                    input {
                        box-sizing: border-box;
                        width: 490px;
                        height: 32px;
                        padding: 0px 4px;
                        border: 2px solid #ea4a36;
                        float: left;

                        &:focus {
                            outline: none;
                        }
                    }

                    button {
                        height: 32px;
                        width: 68px;
                        background-color: #ea4a36;
                        border: none;
                        color: #fff;
                        float: left;
                        cursor: pointer;

                        &:focus {
                            outline: none;
                        }
                    }
                }
            }
        }
    }
</style>